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Suppose that you are designing an instrument panel for a large industrial machine. The initial design of the machine requires the person using it to be able to reach 700 mm from a particular position. The reach for adult women from this position is known to have a mean of 800 mm with a standard deviation of 100 mm. The reach for adult men is known to have a mean of 900 mm with a standard deviation of 100 mm. Both women’s and men’s reach from this position is normally distributed. c) If you were to redesign this equipment, how close would you have to make the parts to be reached in order to ensure that only 2% of women would be unable to use it?
General
7 months ago
2 fewer than the quotient of 6 and 3
General
7 months ago
The product two numbers is 36. The sum of the numbers is 13. What are the two numbers.
General
7 months ago
An angler hooks a trout and reels in his line at 5 in./s. Assume the tip of the fishing rod is 11 ft above the water and directly above the angler, and the fish is pulled horizontally directly toward the angler (see figure). Find the horizontal speed of the fish when it is 20 ft from the angler.
General
7 months ago
An unknown distribution has a mean of 44 and a standard deviation of 7.4. A sample size of 68 is drawn randomly from the population. Find the sum that is 0.96 standard deviations above the mean of the sums. State your answer to two decimal places.
General
7 months ago
Write and solve an equation to answer the question. A truck rental is$25 plus $.35 a mile. Find out how many miles Ken traveled if his bill was $55.80?
General
7 months ago
Solve 14/24 + 12/18
General
7 months ago
Would you use mean, median or modal to compare interest rates for 90 day CD in different cities and why?
General
7 months ago
what is 2+2
General
7 months ago
You have 5 beads. How many different ways can you arrange a subgroup of 2 of them?
General
7 months ago
Using Summations math I need to do this exercise In a horse race, the prizes were set so that each jockey received $45 less than the previous one. The one who won the race received $360, and the rest in total received the sum of 1,170. He asks, how many were the riders and how much did the last one receive?
General
7 months ago
3. Find the domain and range of f(x) = 3x2 – 2. (4 marks) [K/1; C/1; A/1; T/1] _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
General
7 months ago
In a radio program, 2/3 of the time is spent broadcasting music, 1/4 reading the news, 1/18 calling the public, and the rest on commercials. What fraction of the time is used in commercials?
General
7 months ago
The total capacity of the fuel tank of Alejandro's car is 35 liters. If you only have 2/5 of the tank full and you decide to fill the tank with fuel, answer: How many liters of gasoline should you load to fill the tank?
General
7 months ago
18.67 cm part of the 53 cm long wire given in the figure above is twisted from one end and 12.46 cm part from the other end, then the bent parts are completely overlapped According to this, how many centimeters will the distance between the end points of the curved parts be in the last case?
General
7 months ago
2.- Luis's aunt prepares water of different flavors. To prepare Jamaican water, use 1/2 liter of syrup for every 5 liters of water. How much syrup will it take to make a jug with 20 liters of water?
General
7 months ago
A universal welder has a cash value of $585 and can be purchased financed with the following plan: down payment of 30% of the cash value and the rest in 18 equal monthly installments; the first installment must be paid within 8 months and a final payment of $80 three months after the last monthly installment. If the interest rate is 2.58% per month during the first seven months and 2.91% per month thereafter, find the value of the uniform monthly installments
General
7 months ago
A particle is moving so that its displacement s (in metres) is given by s=10t−4t^3 where t is the time in seconds. Find the second derivative in order to find the equation for velocity. Find t when the particle is stationary (the velocity is zero)
General
7 months ago
Solve the following initial value problem: y=∫(3x2−6)dx, y(1)=2 y=
General
7 months ago
The value that x must take so that the ratios x/12 and 13/6 form a proportion is
General
7 months ago
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